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Official data from INPI

DISPOSITIVO PARA A GASEIFICACAO DE CARBONO E/OU MEIOS CONTENDO CARBONO

Concessão AnuladaInvention Patent

Application data

Number

PI7906452

Type

Invention Patent

Filing

10/07/1978

Publication

-

Progress at the INPI

  1. Filing10/07/78
  2. Publication
  3. Examination04/06/82
  4. Allowance04/19/83
  5. Grant10/25/83
  6. Terminated09/25/90

The patent was granted on 10/25/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 01/10/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KLOECKNER HUMBOLDT DEUTZ AG

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Inventors

D. A. (pessoa física)

P. P. (pessoa física)

P. R. (pessoa física)

P. R. (pessoa física)

R. C. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

01/10/1984

RPI 690

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Republicação - classificação IPC

#15.11

04/26/1983

RPI 653

Deferimento

#9.1

04/19/1983

RPI 652

Solicitação de exame técnico

#4.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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